<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>10-表格合并</title>
</head>
<body>
<!--

-->

<table border="1px" cellspacing="0" cellpadding="10px" width="500px">
    <tr align="center">
        <td rowspan="2">11</td>
        <td>12</td>
        <td colspan="2">13</td>
    </tr>
    <tr>
        <td>22</td>
        <td>23</td>
        <td>24</td>
    </tr>
    <tr>
        <td>31</td>
        <td>32</td>
        <td>33</td>
        <td>34</td>
    </tr>
    <tr>
        <td>41</td>
        <td>42</td>
        <td>43</td>
        <td>44</td>
    </tr>
</table>


</table>
</body>
</html>